错误页导向指令

angular.module('app.directives').directive('errSrc', function () {

    return {

        link: function(scope, element, attrs) {

            element.bind('error', function() {

                if (!attrs.src ||(attrs.src && attrs.src != attrs.errSrc)) {

                    attrs.$set('src', attrs.errSrc);

                }

            });

        }

    }

});